Also known as NDGS 157

Where: Emmons County, North Dakota (46.1° N, 100.4° W: paleocoordinates 51.6° N, 73.7° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Fox Hills Formation (Montana Group), Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: coastal; poorly lithified sandstone

Size class: mesofossils

Collected by R. M. Feldmann in 1978

Primary reference: J. W. Hoganson and J. M. Erickson. 2005. A new species of Ischyodus (Chondrichthyes: Holocephali: Callorhynchidae) from upper Maastrichtian shallow marine facies of the Fox Hills and Hell Creek formations, Williston Basin, North Dakota, USA. Palaeontology 48(4):709-721 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 179292: authorized by Matthew Carrano, entered by Matthew Carrano on 10.06.2016, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)